CN205636765U - Inflatable is from inhaling precipitation well - Google Patents
Inflatable is from inhaling precipitation well Download PDFInfo
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- CN205636765U CN205636765U CN201620390340.4U CN201620390340U CN205636765U CN 205636765 U CN205636765 U CN 205636765U CN 201620390340 U CN201620390340 U CN 201620390340U CN 205636765 U CN205636765 U CN 205636765U
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- priming
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- 238000001556 precipitation Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 239000011148 porous material Substances 0.000 claims description 10
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000037452 priming Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to an engineering dewatering field and geotechnical engineering test field especially relate to an inflatable is from inhaling precipitation well, its characterized in that: run through on the well lid and be provided with a breather pipe, the body periphery of breather pipe is adhered to and is aerifyd the inflation component, it is in to aerify the setting of inflation component inside the tube hole of well casing, the wash port has been seted up on the well lid. The utility model has the advantages that: the preparation of precipitation well, running cost hang down, and precipitation efficiency is high simultaneously, realize not live working of precipitation tubular well when just moving, and the security is good. Because this method is implemented portably, can use by a large scale, be favorable to popularizing and applying.
Description
Technical field
This utility model relates to engineering dewatering field and Geotechnical Engineering field tests, particularly relates to a kind of inflated type self-priming dewatering well.
Background technology
Generally requiring when high water level area carries out excavation of foundation pit and carry out subsoil water precipitation in advance to ensure that excavation of foundation pit can be smoothed out, at present conventional mode is for drawing water by setting a number of dewatering well, thus maintains relatively low water level during engineering construction.Dewatering well is a kind of device for groundwater withdrawal, generally comprises the compositions such as well casing, suction pump, pump line, main sewer, pumping equipment, and well casing is generally rustless steel or engineering plastics material, and is needing the degree of depth drawn water to carry out tube wall perforate, forms fillter section.Its working procedure is generally: pore-forming-lay well casing-backfill filtrate and clay-well-flushing-draw water, in actual application, subsoil water is entered in well casing by fillter section, by groundwater mining to ground and discharges to reach the purpose of groundwater withdrawal by the vacuum tube being positioned in well casing or suction pump.
The water extraction way of current domestic main employing has two kinds, a kind of use vacuum pump to form higher negative pressure in well casing to make water in well casing discharge, its advantage is more a vacuum pump is available for organizing well point and works simultaneously, but it is higher that its shortcoming is the sealing requirements to well casing and drainage system, easily leak air, thus affect pumpage, simultaneously, the power consumption of vacuum pump is huge, and run without interruption continuously is relatively costly；Another uses immersible pump to draw water; every mouthful of well is used alone an immersible pump and constantly extracts the subsoil water in pipe well; its advantage is to meet the dewatering well that the degree of depth is bigger; but owing to needs suction pump quantity is more, application cost is higher, and owing to the needs that draw water work long hours; therefore the situation of suction pump fault often occurs; increasing use cost further, electric power system is required higher by the work of a large amount of suction pumps, there is security risk and power consumption is huge.
Prior art also has the water plug not using suction pump and vacuum pump, such as Patent No. 201020263273.2), this precipitation system is by air compressor machine, trachea, automatic controller, water pipe, threeway, gas-water mixer forms, automatic controller is utilized to change gas-water mixer internal gas pressure, in dewatering well, water body flows into gas-water mixer at ambient pressure, under high pressure in gas-water mixer, water body is expelled to ground by water pipe, the purpose drawn water is reached by circulation air pressure conversion, have an advantage in that and avoid employing suction pump and vacuum pump draws water existing unfavorable factor, cost can be reduced, but this technology relies on normal pressure water inlet, inflow is limited, gas-water mixer is disposed only on bottom dewatering well, and finite capacity, greatly limit its efficiency of drawing water.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art, it is provided that inflated type self-priming dewatering well, by arranging inflatable and the inflation component shunk of giving vent to anger in well casing, it is achieved the self-priming precipitation of well casing, improves precipitation efficiency.
This utility model purpose realizes being completed by techniques below scheme:
A kind of inflated type self-priming dewatering well, described dewatering well includes a well casing, the pipe top of described well casing is fixedly connected with well lid, inlet opening is offered on described well casing, it is characterized in that: on described well lid, be provided through a breather, the body periphery of described breather is attached with inflation component, and described inflation component is arranged on inside the pore of described well casing, and described well lid offers osculum.
Being provided with Unidirectional water permeable valve in described well casing, the top being connected and being arranged on described inlet opening fixed by described Unidirectional water permeable valve with the tube wall of described well casing.
Depth direction along described well casing is fixedly installed argillic horizon and filter course the most successively in its periphery, and the coverage of described filter course at least covers described inlet opening.
It is fixedly installed precipitation tube on described well casing below described inlet opening.
It is provided with water level controller in described well casing.
The utility model has the advantages that: dewatering well makes, operating cost is low, and precipitation efficiency is high simultaneously, and realizes the not charged operation of precipitation pipe well when running, and safety is good.Owing to this method is easy to implement, can large area use, beneficially popularization and application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
This utility model feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, in order to the understanding of technical staff of the same trade:
As it is shown in figure 1, labelling 1-12 is expressed as in figure: well casing 1, cable aperture 2, breather 3, osculum 4, well lid 5, argillic horizon 6, filter course 7, inflation component 8, Unidirectional water permeable valve 9, precipitation tube 10, inlet opening 11, water level controller 12.
Embodiment: as it is shown in figure 1, the inflated type self-priming dewatering well in the present embodiment includes that well casing 1, inlet opening 11 are opened in the end section of well casing 1, inlet opening 11 is as the entrance passage of subsoil water, and the pore of well casing 1 is as the drainage channel of dewatering well.Well lid 5 is fixedly connected on the Guan Dingchu of well casing 1, makes to form relative closure between the pore of well casing 1 and extraneous earth's surface.
Running through at the middle part of well lid 5 and arrange breather 3, the top of breather 3 stretches out in the outside of well lid 5 to connect charger (not shown), and it is internal that the body of breather 3 is positioned at well casing 1.It is attached with inflation component 8 in well casing 1 periphery, inflation component 8 is positioned at inside the pore of well casing 1 and the inner chamber of inflation component 8 is connected with the pore of breather 3, make charger can pass through the breather 3 inner inflatable to inflation component 8, so that inflation component 8 is in the pore internal expansion of well casing 1.When inflation component 8 inflation, subsoil water and gas in well casing 1 are tied up by the expansion of inflation component 8 and gradually discharge at the osculum 4 being opened on well lid 5, thus complete precipitation.In order to improve drainage effect, i.e. ensure that the subsoil water in well casing 1 is all discharged, the bottom of breather 3 and inflation component 8 is respectively positioned near Unidirectional water permeable valve 9, it is ensured that inflation component 8 expands from bottom to top, so that subsoil water is gradually tied up out well casing 1 and discharges at osculum 4.
Pore at well casing 1 is internally provided with water level controller 12, and the cable of water level controller 12 is passed to earth's surface by the cable aperture 2 being opened on well lid 5, makes water level controller 12 can be suspended among well casing 1.Water level controller 12 is for controlling the open/close states of charger, charger is started when the water level in well casing 1 arrives and sets precipitation priming level, inflation component 8 starts to expand, dewatering well proceeds by draining, when water level is reduced to set stopping precipitation water level, charger is closed, and dewatering well is out of service.
Be fixedly installed Unidirectional water permeable valve 9 in the bottom of well casing 1, the top being connected and being arranged on inlet opening 11 fixed by Unidirectional water permeable valve 9 with the tube wall of well casing 1.The Unidirectional water permeable valve 9 pressure in well casing 1 is closed more than during ambient pressure, make the subsoil water in well casing 1 and gas cannot be discharged by Unidirectional water permeable valve 9, and the pressure in well casing 1 less than or equal to ambient pressure time, Unidirectional water permeable valve 9 is opened, and makes subsoil water and gas can pass in and out well casing 1 by Unidirectional water permeable valve 9.When specifically used, when inflation component 8 reaches nominal inflation amount, charger is closed, air inlet stops, osculum 4 is closed, breather 3 connects with ambient atmosphere, gas in inflation component 8 is discharged outside to air by breather 3, inflation component 8 shrinks under natural resiliency effect, in the pore of well casing 1, form Vacuum Pressure simultaneously, Unidirectional water permeable valve 9 is opened under suction function, water enters well casing 1 by Unidirectional water permeable valve 9, the self-priming of subsoil water is realized along with subsoil water constantly enters well casing 1 by the inlet opening 11 that well casing 1 end section is arranged, charger is started after the water level in well casing 1 constantly rises and progressivelyes reach the precipitation priming level set by level of ground water controller 12, restart drainage procedure.
The depth direction buried underground along well casing 1 is provided with argillic horizon 6 and filter course 7 from shallow to deep in its periphery, wherein argillic horizon 6 is for cutting off contacting bottom well casing 1 and between Earth Surface Atmosphere, make inflation component 8 when shrinking produced vacuum pressure directly act on sub-surface, promote self-priming effect, and the subsoil water that filter course 7 is easy in extraneous soil layer enters inside the pore of well casing 1 smoothly, simultaneously because filter course 7 covers in the periphery of inlet opening 11, the granule blocking inlet opening 11 in extraneous soil layer the most also can be avoided.The bottom of the inlet opening 11 on well casing 1 is provided with precipitation tube 11, and after subsoil water enters well casing 1 by water inlet 11, its subsidiary impurity is all deposited in precipitation tube 11, it is to avoid blocking water inlet 11.
The present embodiment is in the specific implementation: well casing 1 can be assemblied to form by one or more tube couplings, to meet the precipitation needs of different depth.The material of well casing 1 can use steel or various plastic material.
Inflation component 8 can use the collapsible hollow unit of multiple elasticity such as elastic bag, rubber elastic tube, expand when breather air inlet, until air inlet stopping and gas after the inside of inflation component 8 releases, inflation component 8 may contract to close to initial volume, and the generation capable of circulation of this process but there is not apparent damage in expansion member.
The present embodiment has following steps in use:
1) in foundation ditch, bury well casing 1 underground, and connect all parts.
2) when during water level controller 12 detects well casing 1 current level arrive set by precipitation priming level time, start charger, air himself expands after entering inflation component 8 by breather 3, and by osculum 4, well casing 1 internal gas and subsoil water are discharged well casing 1.
3) when inflation component 8 reaches nominal inflation amount or water level controller 12 the as little as set precipitation stopping water level of the current level in well casing 1 detected, charger is closed, air inlet stops, osculum 4 is closed, breather 3 connects with ambient atmosphere, gas is discharged by inflation component 8, inflation component 8 shrinks under natural resiliency effect, in well casing 1, form Vacuum Pressure simultaneously, Unidirectional water permeable valve 9 is opened under suction function, water enters well casing 1 by Unidirectional water permeable valve 9, the inlet opening 11 arranged by well casing 1 end section along with subsoil water constantly enters well casing 1, in well casing 1, water level is again started up charger when constantly rising and progressively reach the precipitation priming level of water level controller 12 setting, restart draining.
Dewatering well in the present embodiment can meet the situation that precipitation depth is bigger, simultaneously because a charger can work for multiple precipitation pipe wells simultaneously, the cost of manufacture of dewatering well can be substantially reduced and run power consumption, and need not each well point and individually power, reduce the requirement to electric power system, reduce the security risk at scene.In use need not uninterruptedly carry out, control the open/close states of charger by being arranged at the water level controller 12 within well casing, reduce further operation energy consumption.
Although design and the embodiment of this utility model purpose is elaborated by above example referring to the drawings, but those of ordinary skill in the art will be consequently realised that, under the precondition limiting scope without departing from claim, still this utility model can be made various modifications and variations, such as: the size of each parts, model, material；Inlet opening 11, osculum 4 offer position, arrangement mode etc., therefore repeat the most one by one at this.
Claims (5)
1. an inflated type self-priming dewatering well, described dewatering well includes a well casing, the pipe top of described well casing is fixedly connected with well lid, inlet opening is offered on described well casing, it is characterized in that: on described well lid, be provided through a breather, the body periphery of described breather is attached with inflation component, and described inflation component is arranged on inside the pore of described well casing, and described well lid offers osculum.
A kind of inflated type self-priming dewatering well the most according to claim 1, it is characterised in that: being provided with Unidirectional water permeable valve in described well casing, the top being connected and being arranged on described inlet opening fixed by described Unidirectional water permeable valve with the tube wall of described well casing.
A kind of inflated type self-priming dewatering well the most according to claim 1, it is characterised in that: the depth direction along described well casing is fixedly installed argillic horizon and filter course the most successively in its periphery, and the coverage of described filter course at least covers described inlet opening.
A kind of inflated type self-priming dewatering well the most according to claim 3, it is characterised in that: it is fixedly installed precipitation tube on the described well casing below described inlet opening.
A kind of inflated type self-priming dewatering well the most according to claim 1, it is characterised in that: it is provided with water level controller in described well casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390340.4U CN205636765U (en) | 2016-05-04 | 2016-05-04 | Inflatable is from inhaling precipitation well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390340.4U CN205636765U (en) | 2016-05-04 | 2016-05-04 | Inflatable is from inhaling precipitation well |
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| Publication Number | Publication Date |
|---|---|
| CN205636765U true CN205636765U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390340.4U Active CN205636765U (en) | 2016-05-04 | 2016-05-04 | Inflatable is from inhaling precipitation well |
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| Country | Link |
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| CN (1) | CN205636765U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958240A (en) * | 2017-04-14 | 2017-07-18 | 沈艳忱 | Air-cushion type batch vacuum pipe well and apply its soft foundation Yield rainfall relation method |
| CN110318661A (en) * | 2019-04-24 | 2019-10-11 | 武汉一冶建筑安装工程有限责任公司 | Dewatering well construction method |
| CN112127354A (en) * | 2020-08-31 | 2020-12-25 | 盐城工学院 | Self-sealing drainage pipe and drainage method for treating fluid mud through vacuum consolidation |
| CN112144504A (en) * | 2020-10-16 | 2020-12-29 | 中电建路桥集团有限公司 | Deep soft soil roadbed vacuum combined surcharge preloading treatment construction system and method |
-
2016
- 2016-05-04 CN CN201620390340.4U patent/CN205636765U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958240A (en) * | 2017-04-14 | 2017-07-18 | 沈艳忱 | Air-cushion type batch vacuum pipe well and apply its soft foundation Yield rainfall relation method |
| CN110318661A (en) * | 2019-04-24 | 2019-10-11 | 武汉一冶建筑安装工程有限责任公司 | Dewatering well construction method |
| CN112127354A (en) * | 2020-08-31 | 2020-12-25 | 盐城工学院 | Self-sealing drainage pipe and drainage method for treating fluid mud through vacuum consolidation |
| CN112144504A (en) * | 2020-10-16 | 2020-12-29 | 中电建路桥集团有限公司 | Deep soft soil roadbed vacuum combined surcharge preloading treatment construction system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Country or region after: China Address before: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee before: SHANGHAI GEOTECHNICAL INVESTIGATIONS & DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |